Finding the Fourth Proportional to 2,887,529.20, 4,330,452.84 and 865,692.40
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Solution
The fourth proportional to 2,887,529.20, 4,330,452.84 and 865,692.40 is: 1,298,286.48
Step by Step Solution
- Step 1: Write the proportion equation
2,887,529.20 : 4,330,452.84 = 865,692.40 : x - Step 2: Convert to fraction form
2,887,529.20/4,330,452.84 = 865,692.40/x - Step 3: Cross multiply
2,887,529.20x = 4,330,452.84 × 865,692.40 - Step 4: Simplify right side
2,887,529.20x = 3,748,840,112,146.42 - Step 5: Solve for x
x = 3,748,840,112,146.42/2,887,529.20 - Step 6: Final answer
x = 1,298,286.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.